From 4669bc907488f5a3ee399ced132deb6165e489a3 Mon Sep 17 00:00:00 2001
From: Dai Haruki <dai.haruki@freescale.com>
Date: Wed, 17 Dec 2008 16:51:04 -0800
Subject: gianfar: Add Scatter Gather support

Scatter Gather support in gianfar driver to handle fragmented frames on
the transmit side.

Signed-off-by: Poonam Aggrwal <poonam.aggrwal@freescale.com>
Signed-off-by: Dai Haruki <dai.haruki@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/gianfar.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'drivers/net/gianfar.h')

diff --git a/drivers/net/gianfar.h b/drivers/net/gianfar.h
index 9c8974d..7ef3cc5 100644
--- a/drivers/net/gianfar.h
+++ b/drivers/net/gianfar.h
@@ -728,6 +728,7 @@ struct gfar_private {
 	struct txbd8 *dirty_tx;		/* First buffer in line
 					   to be transmitted */
 	unsigned int tx_ring_size;
+	unsigned int num_txbdfree;	/* number of TxBDs free */
 
 	/* RX Locked fields */
 	spinlock_t rxlock;
-- 
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